package h0704;

import java.util.Scanner;

public class TestIo {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        StringBuilder str = new StringBuilder();
        while (sc.hasNext()){
            String s = sc.next();
            str.append(s);
        }
        System.out.println(str);
        //sc.nextLine()读入输入的一行字符串
    }
}
